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Medium T-Shaped Silicone Seal Strip | T-Type Weather Seal for Doors, Windows & Frames (Height 3–7mm)

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Medium T-type silicone seal strip 3–7mm for doors and windows. Flexible weatherproof sealing profile provides dust, water and air leakage protection for residential and commercial use.
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Estimated Delivery Date: Oct 02 - Oct 02
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Small Medium T-Profile Silicone Seal Strip (Height 3–7mm)

Product Overview

The Small Medium T-Profile Silicone Seal Strip (Height 3–7mm) is a flexible silicone extrusion sealing profile designed for narrow gap sealing applications in doors, windows, glass, and frame systems.

Manufactured from high-quality silicone rubber, it offers excellent flexibility, weather resistance, and long-term durability, effectively reducing air leakage, dust intrusion, moisture penetration, and noise transmission.

The T-profile base design enables easy snap-in installation into groove channels, providing secure positioning without adhesives.

Key Features

  • 3–7mm height range for narrow gap sealing applications requiring accurate compression and flexibility
  • T-profile base design for secure groove insertion and stable positioning
  • Excellent weatherproof protection against wind, dust, moisture, and air leakage
  • Made from high-quality silicone rubber with excellent elasticity and aging resistance
  • Snap-in installation without adhesive, easy to install and maintain
  • Reliable performance under frequent movement of doors and windows

Specifications

  • Material: High-quality silicone rubber
  • Profile: T-profile extrusion sealing strip
  • Size Range: 3–7mm height range
  • Installation: Snap-in groove insertion, no adhesive required
  • Performance: Waterproof, dustproof, heat-resistant, and weatherproof
  • Service Life: Long-term durability for residential and light industrial applications

Note: Color is specified only for non-standard color options. Products without a color indication are supplied in the standard color.

Length Selection Guide

Silicone seal strips are available in various lengths depending on profile size, shipping method, and order quantity.

• Standard lengths: Most specifications are available in common lengths such as 1 m, 3 m, and 10 m for sample orders, replacement parts, and regular applications.

• Large profiles: Due to their larger dimensions and shipping weight, some long-length options may be limited by standard shipping requirements. These profiles can be shipped by commercial express, air freight, or sea freight according to customer requirements.

• Bulk orders: For wholesale and engineering projects, we offer custom lengths, longer rolls, and production quantities based on project requirements.

• Custom production: If a requested size or length is not currently listed, we can manufacture it using our existing extrusion molds, with no additional tooling cost required.

Please select the available length option for each specification. For special lengths, large quantities, or alternative shipping options, please contact us for a suitable solution.

Applications

This 3–7mm T-type silicone seal strip is widely used in:

  • Residential door and window sealing
  • Aluminum frame and window profile sealing
  • Glass window groove sealing
  • Light commercial building sealing
  • Interior insulation and finishing systems

Advantages

The Small Medium T-Profile Silicone Seal Strip is ideal for precision sealing applications, offering:

  • Excellent flexibility for narrow gap sealing
  • Reliable weatherproof performance
  • Easy installation and maintenance-free operation
  • Long-term elasticity and dimensional stability

Size Chart

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